827007489 has 72 divisors (see below), whose sum is σ = 1547477568. Its totient is φ = 429351840.

The previous prime is 827007479. The next prime is 827007499. The reversal of 827007489 is 984700728.

It is an interprime number because it is at equal distance from previous prime (827007479) and next prime (827007499).

It is not a de Polignac number, because 827007489 - 2¹⁶ = 826941953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (827007409) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 504379 + ... + 506015.

It is an arithmetic number, because the mean of its divisors is an integer number (21492744).

Almost surely, 2^827007489 is an apocalyptic number.

It is an amenable number.

827007489 is a deficient number, since it is larger than the sum of its proper divisors (720470079).

827007489 is an equidigital number, since it uses as much as digits as its factorization.

827007489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1679 (or 1658 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The square root of 827007489 is about 28757.7378978250. The cubic root of 827007489 is about 938.6488392845.

The spelling of 827007489 in words is "eight hundred twenty-seven million, seven thousand, four hundred eighty-nine".